---
title: "Tropical Cyclone Genesis (WNP, 1991-2010)"
author: Thomas Leahy
output: 
  flexdashboard::flex_dashboard:
    theme: journal
    social: menu
    source_code: embed
    orientation: rows
---

```{r setup, include = FALSE}
library(flexdashboard)
library(shiny)
library(jsonlite)
library(maptools)
library(ggplot2)
library(tidyr)
library(dplyr)
library(purrr)
library(leaflet)
library(plotly)

gen_data <- read.csv('~/phd/genesis_dashboard/gen_data1.csv', header = T)
gen_data <- gen_data[gen_data$indic==1,]

month_nums <- table(gen_data$month)

year_nums <- c(table(gen_data$year))
year_data <- data.frame(Year=1991:2010, freq=year_nums)
```

Row
-----------------------------------------------

### Annual Frequency

```{r}
plot_ly(year_data, x = ~Year) %>%
  add_trace(y = ~freq, name = 'Frequency',mode = 'lines+markers', type='scatter')%>%
  layout(xaxis = list(title = "Year", showline = T),
         yaxis = list (title = "Frequency", range = c(0,24), showline = T))

```


Row
-----------------------------------------------------------------------

### Spatial distribution

```{r}
leaflet() %>% 
  addTiles() %>% 
  fitBounds(100,0,60,180) %>% 
  addCircleMarkers(gen_data$lons, 
                   gen_data$lats, 
                   radius = 3, 
                   fill = T,
                   fillOpacity = 0.2,
                   opacity = 0.6,
                   popup = paste("Year:",gen_data$year,
                                 "Month:",gen_data$month, 
                                 sep = " "))

```



### Monthly Frequency

```{r}

  plot_ly(type = "bar", 
          x = 1:12, 
          y = month_nums)  %>%
  layout(xaxis = list(showline = F, 
                      showticklabels = T, 
                      fixedrange = T, 
                      title = "Months"),
         yaxis = list(fixedrange = T, 
                      title = "Count"))
```